7 of 7 Permanent Legacy Systems Jobs in Chesterfield

Technical Lead / Architect (.NET) - Chesterfield - New (REF50)

Hiring Organisation
RedRock Resourcing
Location
Chesterfield, Derbyshire, UK
capable of designing secure, scalable architectures while providing day-to-day technical leadership. You will play a key role in modernising legacy systems, supporting the delivery of new features, and ensuring technical decisions align closely with both user needs and wider business goals. With a strong customer … gather feedback Skills & Experience (Essential) 5+ years’ experience designing and delivering solutions using the .NET framework Strong experience architecting scalable, secure, and high-performance systems Hands-on development experience with C# and modern .NET technologies Ability to translate business and user requirements into robust technical designs Experience leading code ...

Lead Software Engineer

Hiring Organisation
Stockford Recruitment
Location
Chesterfield, Derbyshire, UK
Employment Type
Full-time
help maintain and improve the business' infrastructure, security posture, and release processes across multiple systems. Key responsibilities Modernise and rebuild legacy PHP systems into Symfony. Deliver new platform features aligned to business and clinical requirements. Own/support release management across three systems (public website, admin … queries and staff IT support). What we're looking for Strong PHP/web engineering background with real experience modernising legacy systems (Symfony ideal). Confident across DevOps fundamentals: CI/CD, releases, scripting/automation. Linux (Ubuntu) admin experience and comfort maintaining core web services. ...

Oracle APEX Consultant

Hiring Organisation
Frontier Resourcing
Location
Chesterfield, Derbyshire, UK
Employment Type
Full-time
integration layers (OIC) to curate clean, well-modelled datasets. Contribute to data migration activities, ensuring accuracy, integrity and auditability throughout transitions from legacy systems. Apply security-by-design, access controls and logging appropriate for regulated MOD environments. Operate in Agile delivery squads with APEX devs, data engineers, integration ...

Cloud Solution Architect

Hiring Organisation
Areti Group | B CorpTM
Location
Chesterfield, Derbyshire, UK
Employment Type
Full-time
cloud architectures. Apply architecture principles, standards, and best practices to ensure robust digital solution delivery. Create roadmaps for smooth migration from legacy systems to modern cloud architectures. Provide thought leadership on emerging technologies and industry trends. Lead workshops and presentations to communicate architectural and technical concepts effectively. ...

SC Cleared - Cloud Engineer (Databricks / Azure)

Hiring Organisation
Montash
Location
Chesterfield, Derbyshire, UK
Employment Type
Full-time
month contract Interview Process: One stage Role Overview We are looking for an experienced Cloud Engineer. The programme focuses on migrating data from legacy platforms into modern, cloud-based data environments, with an emphasis on automation, scalability and secure delivery. Key Responsibilities Design, develop and support data pipelines … cloud migration initiative Build and maintain data processing and transformation workflows using Databricks Support the migration of data from legacy systems into cloud-based platforms Configure and maintain CI/CD pipelines using Azure DevOps to support data engineering workloads Use Terraform to define and manage cloud ...

Lead Devops Engineer

Hiring Organisation
Tembo
Location
Chesterfield, Derbyshire, UK
Employment Type
Full-time
across both Azure and AWS environments. Lead infrastructure projects including cloud migrations, cost optimizations, disaster recovery planning, and security hardening. Modernize legacy systems, working across inherited Azure environments with .NET and Ruby stacks. Drive IaC adoption, particularly Terraform, across all environments. Collaborate with engineering leads to ensure … Infrastructure-as-Code (IaC) practices. Solid experience with CI/CD, observability tooling, incident response, and automated deployments. Comfort navigating and improving legacy infrastructure and multi-language environments (.NET and Ruby). A security-first mindset with experience implementing secure cloud architectures. A proactive approach to cost management ...

Senior Software Engineer (PHP)

Hiring Organisation
True9
Location
Chesterfield, Derbyshire, UK
Employment Type
Full-time
talented team on our mission to help people and businesses thrive through technology. If you love untangling hard problems, improving legacy systems, and shipping clean, tested code, you'll fit right in. Your role as a Senior PHP Software Engineer at True9: Lead the back-end - write ...